Horizontal circulation and parallel fluidization chemical looping combustion device

A combustion device and fluidized chemistry technology, which are applied in fluidized bed combustion equipment, fuels burned in a molten state, and combustion methods, etc., can solve the problems of complex system structure, gas leakage, and difficult operation and operation, and achieve simple operation and operation. The effect of eliminating short circuits and improving mixing characteristics

Inactive Publication Date: 2011-04-27
NANJING NORMAL UNIVERSITY
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Problems solved by technology

[0004] The object of the present invention is to provide a horizontal circulation parallel fluidized chemical looping combustion device by overcoming the complex system structure, difficult operation, gas leakage and other problems faced by the chemical looping combustion device in the prior art

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  • Horizontal circulation and parallel fluidization chemical looping combustion device
  • Horizontal circulation and parallel fluidization chemical looping combustion device
  • Horizontal circulation and parallel fluidization chemical looping combustion device

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Such as figure 1 , 2 As shown in , 3, the horizontal circulation parallel fluidized chemical chain combustion device includes a cylinder body 100 of the fluidized bed combustion device, and the bottom of the cylinder body of the fluidized bed combustion device is an air distribution plate 2 . The air distribution plate 2 is equally divided into two (2-1, 2-2), and the first nozzle pipe 3 and the second nozzle pipe 10 are arranged horizontally on both sides of the boundary line of the air distribution plate, and the first nozzle pipe 3 and the second nozzle pipe The ends of 10 are facing each other, several nozzles 301 of the first nozzle pipe and several nozzles 1001 of the second nozzle pipe are arranged horizontally, and the heights of the nozzles of the first nozzle pipe and the nozzles of the second nozzle pipe are all located at the top of ...

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Abstract

The invention discloses a horizontal circulation and parallel fluidization chemical looping combustion device, which comprises a combustion cylinder, wherein the bottom of the combustion cylinder is agrid plate. A boundary of the grid plate is oppositely and horizontally provided with two nozzle tubes, and set directions of nozzles of the two nozzle tubes are opposite; two closed partition wallsare connected into a whole by a transverse closed partition wall to form a Z shape, a cylinder of a fluidized bed combustion device is longitudinally divided into two completely independent and closedfluidized bed reactors, and the top of each fluidized bed reactor is provided with a high-temperature flue gas outlet respectively; plunger area dwarf partition walls, the closed partition walls andthe transverse closed partition wall form two plunger areas together; and overflow dwarf partition walls are arranged from both ends of the transverse closed partition wall to the side wall of the cylinder of the fluidized bed combustion device. The device realizes the integration of an air reactor and a fuel reactor, strengthens transverse mixing characteristics of particles in a fluidized bed, prolongs the retention time of the particles and fuel, avoids the phenomenon of 'short circuit' of an oxygen carrier, solves the problem of gas leakage between the air reactor and the fuel reactor, andimproves the combustion reaction efficiency.

Description

technical field [0001] The invention relates to a horizontal circulation parallel fluidized chemical chain combustion device, which belongs to the field of gas-solid fluidized bed combustion reactors. Background technique [0002] With the development of industrial production and the improvement of people's living standards, CO released from the combustion of coal, oil, natural gas and other substances 2 More and more, it has become one of the main reasons for the increasingly serious greenhouse effect. Chemical looping combustion (Chemical Looping Combustion, CLC) is a new flameless combustion method, which breaks the traditional concept of flame combustion and opens up the possibility of recovering CO 2 new way. The principle of CLC combustion technology is as follows: figure 1 As shown, it decomposes the traditional combustion reaction of fuel in direct contact with air into two gas-solid reactions with the help of the oxygen carrier (Oxygen Carrier, OC): on the one ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23C10/00F23C10/18
CPCY02E20/34
Inventor 张海曹弘飞马建军李霁光叶碧翠刘雅棋卢平
Owner NANJING NORMAL UNIVERSITY
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